Word Formation & Derivatives
Prefixes, suffixes, compounds, inflections, and derived word families.
11746 words
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Page 16 of 19
Some words in this topic are A2–C2 — part of Pro. A1 words are always free.
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unswerving
C1
/ʌnˈswɝːvɪŋ/
firm, constant, and dependable, especially in loyalty or purpose
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imperishable
C1
/ɪmˈpɛrɪʃəbəl/
not subject to decay, destruction, or death; lasting forever
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inexpressible
C1
/ˌɪn.ɪkˈspres.ə.bəl/
so strong, unusual, or profound that it cannot adequately be put into words
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retentive
C1
/rɪˈtɛntɪv/
able to remember information well
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dialectical
C1
/ˌdaɪəˈlɛktɪkəl/
relating to dialectic: reasoning through the examination of opposing arguments
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fluster
C1
/ˈflʌstɚ/
to make someone agitated, nervous, or confused
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plagiarize
C1
/ˈpleɪ.dʒə.raɪz/
to use another person's words, ideas, or creative work and present them as one's own, especially without proper acknowledgment
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latency
C1
/ˈleɪtənsi/
delay between a request, signal, or action and the response to it
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swelter
C1
/ˈswɛltɚ/
to suffer or feel extremely uncomfortable because of intense heat
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excretion
C1
/ɪkˈskriːʃən/
the biological process by which an organism removes metabolic waste or discharges a substance
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decant
C1
/dəˈkænt/
to pour a liquid from one container into another
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liber
C1
/ˈlaɪbɚ/
the living inner bark of a plant, especially the tissue that conducts food; phloem
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unimpeded
C1
/ˌʌnɪmˈpiːdɪd/
not obstructed, delayed, or prevented
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uninspiring
C1
/ʌn.ɪnˈspaɪɹ.ɪŋ/
Dull and not interesting or exciting
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irretrievable
C1
/ˌɪr.əˈtriː.və.bəl/
impossible to recover, restore, or put right
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puzzlement
C1
/ˈpʌz.əl.mənt/
a state or feeling of confusion caused by being unable to understand something
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invertebrate
C1
/ɪnˈvɝː.tə.brət/
an animal without a backbone, such as an insect, mollusk, or worm
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heartrending
C1
/ˈhɑːrtˌrɛn.dɪŋ/
causing intense grief, distress, or sympathy
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encapsulate
C1
/ɪnˈkæps(j)ʊˌleɪt/
to express the main meaning of something briefly and clearly
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wizened
C1
/ˈwɪzənd/
Dried up and covered in wrinkles, usually because of old age.
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incontestable
C1
/ˌɪnkənˈtɛstəbəl/
so clearly true or valid that it cannot reasonably be disputed
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facilitation
C1
/fəˌsɪlɪˈteɪʃən/
The act of making something easier or helping it happen.
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sentimentally
C1
In a way that shows tender, often nostalgic emotion.
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unverified
C1
/ˌʌnˈvɛrəˌfaɪd/
not yet checked or confirmed as accurate, authentic, or true
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experiential
C1
/ɪkˌspɪriˈɛnʃəl/
relating to, encountered through, or based on direct experience
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witticism
C1
/ˈwɪt̬.ə.sɪz.əm/
a clever and humorous remark, often with a sharp or ironic edge
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scornfully
C1
/ˈskɔɹnfəli/
In a way that shows you think someone or something deserves no respect.
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rearrangement
C1
/ˌriː.əˈreɪndʒ.mənt/
the act or result of arranging people or things again in a different order or pattern
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plasticity
C1
/plæsˈtɪsəti/
the capacity of a material to be reshaped permanently without breaking
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underpinning
C1
/ˈʌndɝˌpɪnɪŋ/
a foundation, support, or basic idea that holds something up
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recommence
C1
/ˌriː.kəˈmens/
formal: to begin again or cause an activity to begin again
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plausibility
C1
/ˌplɔzɪˈbɪlɪti/
The quality of seeming reasonable or likely to be true.
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open-mindedness
C1
/ˌoʊpənˈmaɪndɪdnəs/
willingness to consider unfamiliar ideas, arguments, or evidence without prejudice
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palmistry
C1
/ˈpɑməstri/
the claimed practice of interpreting the lines and features of a person's palm to describe character or predict the future
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shivery
C1
/ˈʃɪv.ər.i/
prone to shivering or feeling cold
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elaboration
C1
/ɪˌlæbɝˈeɪʃən/
The act of adding more detail or explanation to something.
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expeditious
C1
/ˌɛkspəˈdɪʃəs/
done or acting with speed and efficiency
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elongate
C1
/əˈlɔŋˌɡeɪt/
To make something longer, or to become longer, by stretching or extending.
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mummify
C1
/ˈmʌm.ɪ.faɪ/
to preserve a dead body by drying, embalming, and wrapping it as a mummy
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laneway
C1
/ˈleɪnˌweɪ/
a narrow road, lane, alley, or passage, often running behind or between buildings
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appreciable
C1
/əˈpɹiːʃəbl/
enough to be estimated or measured
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reconquer
C1
/riːˈkɔŋkɝ/
to conquer and regain territory or control that was previously lost
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stylistically
C1
/staɪˈlɪstɪkli/
In terms of style, especially in writing, art, or language.
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desirability
C1
/dɪˌzaɪrəˈbɪləti/
the quality or degree of being wanted, attractive, beneficial, or worth having or doing
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unenviable
C1
/əˈnɛnˌviːəbəl/
So difficult or unpleasant that no one would want to be in it.
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double-barreled
C1
/ˌdʌbəlˈbærəld/
having two barrels, especially a gun with two barrels mounted side by side or one above the other
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conditionally
C1
/kənˈdɪʃənəli/
In a way that depends on a certain condition being met.
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internationalism
C1
/ˌɪn.tɚˈnæʃ.ə.nəˌlɪz.əm/
the principle that nations should cooperate and pursue shared interests across national boundaries
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immolate
C1
/ˈɪm.ə.leɪt/
offer as a sacrifice by killing or by giving up to destruction
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magnetize
C1
/ˈmæɡnəˌtaɪz/
to give a material the properties of a magnet, or to become magnetic
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dispossess
C1
/ˌdɪs.pəˈzes/
to deprive a person or community of land, a home, or other property, especially by force or legal action
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unjustifiable
C1
/ˌʌndʒʌstəˈfaɪəbəl/
impossible to defend as right, reasonable, or warranted
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attribution
C1
/ˌætrəˈbjuːʃən/
the act of regarding something as caused, created, or possessed by a particular person or thing
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stamen
C1
/ˈsteɪmən/
the pollen-producing male organ of a flower, typically consisting of an anther on a filament
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startlingly
C1
/ˈstɑːrtlɪŋˌliː/
In a way that is surprising or shocking.
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lethality
C1
/liˈθæləti/
the capacity or quality of being able to cause death
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immolation
C1
/ˈɪməˌleɪʃən/
the act of killing, sacrificing, or destroying by fire
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successively
C1
/səkˈsɛsɪvli/
in proper order or sequence
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maidenly
C1
/ˈmeɪdənli/
befitting or characteristic of a maiden
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glossary
C1
/ˈɡlɔ.sə.ɹi/
an alphabetical list of technical terms in some specialized field of knowledge
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peahen
C1
/ˈpiːˌhɛn/
an adult female peafowl
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knowable
C1
/ˈnoʊ.ə.bəl/
capable of being known, understood, or discovered
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dog-tired
C1
/ˌdɔɡˈtaɪrd/
informal: extremely tired; exhausted
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neutralization
C1
/ˌnuːtɹəlaɪˈzeɪʃən/
The act of stopping something from having an effect by balancing it out.
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introducer
C1
/ˌɪntrəˈduːsɚ/
a person or thing that brings someone, something, or an idea into use, notice, or acquaintance
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outcropping
C1
/ˈaʊtˌkrɑː.pɪŋ/
a part of a rock formation that is exposed at the surface of the surrounding ground
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sustainably
C1
/səˈsteɪ.nə.bli/
In a way that can continue for a long time without harming the environment or using up resources.
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congeal
C1
/kənˈdʒiːl/
to become or cause something to become thick, semisolid, or solid, especially through cooling
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interjection
C1
/ˌɪn.tɚˈd͡ʒɛk.ʃən/
A word or short phrase used to express sudden emotion, such as "wow" or "ouch."
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aqueous
C1
/ˈeɪkwiəs/
consisting of, containing, or dissolved in water
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naturalness
C1
the quality of being natural, relaxed, and not forced
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trenchant
C1
/ˈtɹɛnʃənt/
Fitted to trench or cut; gutting; sharp.
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fissionable
C1
/ˈfɪʃənəbəl/
capable of undergoing nuclear fission
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pendulous
C1
/ˈpɛndʒələs/
Hanging loosely downward, especially so as to swing freely.
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balloonist
C1
/bəˈluːnɪst/
a person who pilots or travels in a balloon, especially a hot-air or gas balloon
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extrication
C1
/ˌɛkstɹɪˈkeɪʃən/
the act or process of freeing someone or something from entanglement, confinement, or a difficult situation
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suborbital
C1
/ˌsʌbˈɔːrbɪtəl/
following a trajectory that rises into space but does not complete an orbit
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dynamically
C1
in a way that keeps changing or developing
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pneumatics
C1
/nuːˈmætɪks/
the branch of mechanics concerned with gases and their use to transmit force, especially through compressed air
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beefeater
C1
/ˈbiːfˌiː.tɚ/
a person who eats beef, especially one characterized as eating a great deal of it
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prevarication
C1
/pɹɪˌvæɹ.ɪˈkeɪ.ʃən/
Evasion of the truth.
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paternalistic
C1
/pəˌtɝːnəˈlɪstɪk/
Looking after people in a kind but controlling way, deciding what is best for them without asking.
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quizzical
C1
/ˈkwɪz.ɪ.kəl/
showing mild puzzlement or questioning, often with amusement
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hatful
C1
/ˈhætˌfʊl/
the amount that a hat can hold
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persuasively
C1
/pɝˈsweɪsɪvli/
In a way that makes someone believe or agree with you.
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hereinafter
C1
/ˈhɪɹɪnˈæftɚ/
in a later part of this document, statement, or text
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gruesomely
C1
In an extremely shocking or horrifying way, often involving violence or blood.
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particularity
C1
/pɚˌtɪk.jəˈler.ə.t̬i/
the quality of belonging to a specific case or individual rather than applying generally
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baronial
C1
/bəˈroʊniəl/
large, grand, and imposing in a way associated with a wealthy noble's home
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chaotically
C1
In a confused, disorganised, and uncontrolled way.
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perfumer
C1
/pɚˈfjuːmɚ/
a person who creates, blends, or sells perfumes
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linearly
C1
/ˈlɪniːɝli/
In a straight line or single direction.
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voraciously
C1
In a way that shows a huge hunger or eager desire for something.
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attractor
C1
/əˈtræktɚ/
a person, thing, or quality that draws interest, attention, or other things toward it
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masticate
C1
/ˈmæs.tə.keɪt/
to chew food by crushing and grinding it with the teeth
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mishear
C1
/ˌmɪsˈhɪr/
to hear words or sounds incorrectly
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